Denial of Service Vulnerability in OpenVPN by OpenVPN
CVE-2026-115402

5.7MEDIUM

Key Information:

Vendor

Openvpn
Status
Ovpn-dco-win
Vendor
CVE Published:
28 October 2026

What is CVE-2026-115402?

The OpenVPN ovpn-dco-win versions from 0.6.5 up to 2.8.13 contain a vulnerability that allows unprivileged local users to exploit a race condition in the TCP connection path, leading to potential system crashes. This vulnerability can disrupt services and compromise the integrity of network operations, emphasizing the need for immediate action to mitigate risks.

Affected Version(s)

ovpn-dco-win Windows 0.6.5 <= 2.8.13

References

https://community.openvpn.net/Security%20Announcements/CV...
vendor-advisory

CVSS V4

Score:
5.7
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.